Features: ODESC V4.0 with optimized highly performances Single brushless motor provides strong driving power,suitable for powerful demand scenario. Heat dissipation design: The single-drive ODESC V4.0 with heat sink effectively reduces the working temperature and ensures the stability and durability of the equipment. Precise control: fast response speed and precise control to meet the user's requirements on the dynamic performances of the aircraft. Suitable for large vehicles that require highly power output to ensure stable flight result. Lightweight design: Lightweight ODESC V4.0 structure, easy installation and carry, without increasing the overall weight of the aircraft. Specifications: Model：ODESC V4.0 Brushless Motor Controller Board Drive : Single Drive Single Drive: 24V/ 56V Size：Mixed Package Includes: 1Set ODESC V4.0 Single Drive Brushless Motor note: Due to the problem of lighting effects and shooting, there might be tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.